305406000938 has 4 divisors (see below), whose sum is σ = 458109001410. Its totient is φ = 152703000468.

The previous prime is 305406000883. The next prime is 305406000979. The reversal of 305406000938 is 839000604503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839000604503 = 32059 ⋅26170517.

It can be written as a sum of positive squares in only one way, i.e., 215311776289 + 90094224649 = 464017^2 + 300157^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76351500233 + ... + 76351500236.

Almost surely, 2^305406000938 is an apocalyptic number.

305406000938 is a deficient number, since it is larger than the sum of its proper divisors (152703000472).

305406000938 is a wasteful number, since it uses less digits than its factorization.

305406000938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152703000471.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 305406000938 in words is "three hundred five billion, four hundred six million, nine hundred thirty-eight", and thus it is an aban number.